4950980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 11128320

約数和(自身を除く): 6177340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 47, 92, 94, 115, 188, 229, 230, 235, 458, 460, 470, 916, 940, 1081, 1145, 2162, 2290, 4324, 4580, 5267, 5405, 10534, 10763, 10810, 21068, 21526, 21620, 26335, 43052, 52670, 53815, 105340, 107630, 215260, 247549, 495098, 990196, 1237745, 2475490, 4950980]

約数ペア:

[(1, 4950980), (2, 2475490), (4, 1237745), (5, 990196), (10, 495098), (20, 247549), (23, 215260), (46, 107630), (47, 105340), (92, 53815), (94, 52670), (115, 43052), (188, 26335), (229, 21620), (230, 21526), (235, 21068), (458, 10810), (460, 10763), (470, 10534), (916, 5405), (940, 5267), (1081, 4580), (1145, 4324), (2162, 2290)]